NGK IX Iridium Spark Plug (TR7IX)
The NGK Iridium IX series of spark plugs are specifically designed to achieve a high level of performance. This plug features trivalent metal plating, corrugated ribs to prevent flashover, pure alumina silicate ceramic insulator, and is triple-sealed. It provides a long service life of up to 60,000km. The spark plug is an essential component of the engine and they should be regularly checked and replaced to ensure optimum performance. How easy is it to use? If you are in need of a spark plug that will perform, even under high stress and temperatures, these NGK Iridium spark plugs won't disappoint you. They feature iridium alloy with an extremely high melting point and a fine-wire centre electrode to ensure durability and a stable spark. For assistance in selecting the right spark plugs for your vehicle contact your local Supercheap Auto store and speak to one our friendly team members.
The NGK Iridium IX series of spark plugs are specifically designed to achieve a high level of performance. This plug features trivalent metal plating, corrugated ribs to prevent flashover, pure alumina silicate ceramic insulator, and is triple-sealed. It provides a long service life of up to 60,000km. The spark plug is an essential component of the engine and they should be regularly checked and replaced to ensure optimum performance. How easy is it to use? If you are in need of a spark plug that will perform, even under high stress and temperatures, these NGK Iridium spark plugs won't disappoint you. They feature iridium alloy with an extremely high melting point and a fine-wire centre electrode to ensure durability and a stable spark. For assistance in selecting the right spark plugs for your vehicle contact your local Supercheap Auto store and speak to one our friendly team members.
The NGK Iridium IX series of spark plugs are specifically designed to achieve a high level of performance. This plug features trivalent metal plating, corrugated ribs to prevent flashover, pure alumina silicate ceramic insulator, and is triple-sealed. It provides a long service life of up to 60,000km. The spark plug is an essential component of the engine and they should be regularly checked and replaced to ensure optimum performance. How easy is it to use? If you are in need of a spark plug that will perform, even under high stress and temperatures, these NGK Iridium spark plugs won't disappoint you. They feature iridium alloy with an extremely high melting point and a fine-wire centre electrode to ensure durability and a stable spark. For assistance in selecting the right spark plugs for your vehicle contact your local Supercheap Auto store and speak to one our friendly team members.
The NGK Iridium IX series of spark plugs are specifically designed to achieve a high level of performance. This plug features trivalent metal plating, corrugated ribs to prevent flashover, pure alumina silicate ceramic insulator, and is triple-sealed. It provides a long service life of up to 60,000km. The spark plug is an essential component of the engine and they should be regularly checked and replaced to ensure optimum performance. How easy is it to use? If you are in need of a spark plug that will perform, even under high stress and temperatures, these NGK Iridium spark plugs won't disappoint you. They feature iridium alloy with an extremely high melting point and a fine-wire centre electrode to ensure durability and a stable spark. For assistance in selecting the right spark plugs for your vehicle contact your local Supercheap Auto store and speak to one our friendly team members.
in 19 offers
The lowest price for NGK IX Iridium Spark Plug (TR7IX) right now is $12.31 at wheelfront.com, compared across 18 retailers.
The all-time low was $11.21 on 9 Mar 2026 — today's price is 10% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 17 Aug 2026.
Last updated at 17/08/2026 07:44:41
NGK NGK Spark Plug Stock # 3690 TR7IX
Delivery between Wed – Fri $22.47
NGK TR7IX Iridium IX Spark Plug fits HSV Senator 5.7 V8 LS1 RWD Petrol Sedan 09/97-06/99 250kw
Delivery between 18–28 Aug $10.95
NGK TR7IX Spark Plug | AutoCave Australia
Delivery between 21–31 Aug $10
NGK Iridium IX Spark Plug TR7IX fits ALPINE V6 TURBO
Delivery between 20–28 Aug $9.90
Buy NGK Iridium Spark Plug - TR7IX [Suit Renault Alpine 2.5 V6 Turbo]
Delivery between 20–26 Aug $9.70
NGK Spark Plug - TR7IX
Delivery between 20–28 Aug $8.73
NGK Iridium Spark Plug - TR7IX [Fits Renault Alpine 2.5 V6 Turbo]
Ngk Tr7ix Iridium Ix Spark Plug
Delivery $6.95
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NGK Iridium Ix Spark Plug - 1Pc TR7IX
Delivery $9.87
NGK Spark Plug Stock # 3690 (TR7IX)
Delivery between Thu – Sat $8.80
originally posted on oreillyauto.com
The gap is closer than OEM keeping the spark from getting too hot which allows the engine to stay cooler longer and makes room for higher RPM’s to provide more power. GT500 owners use this plug for daily and performance.
originally posted on mlperformance.co.uk
I appreciate the comprehensive warranty provided by ML Performance. It gives me confidence in the quality of their car parts.
originally posted on mlperformance.co.uk
MLP's car parts have proven to be durable even in harsh weather conditions. They have held up exceptionally well.
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NGK NGK Spark Plug Stock # 3690 TR7IX
Delivery between Wed – Fri $22.47
NGK TR7IX Iridium IX Spark Plug fits HSV Senator 5.7 V8 LS1 RWD Petrol Sedan 09/97-06/99 250kw
Delivery between 18–28 Aug $10.95
NGK TR7IX Spark Plug | AutoCave Australia
Delivery between 21–31 Aug $10
NGK Iridium IX Spark Plug TR7IX fits ALPINE V6 TURBO
Delivery between 20–28 Aug $9.90
Buy NGK Iridium Spark Plug - TR7IX [Suit Renault Alpine 2.5 V6 Turbo]
Delivery between 20–26 Aug $9.70
The gap is closer than OEM keeping the spark from getting too hot which allows the engine to stay cooler longer and makes room for higher RPM’s to provide more power. GT500 owners use this plug for daily and performance.
I appreciate the comprehensive warranty provided by ML Performance. It gives me confidence in the quality of their car parts.
MLP's car parts have proven to be durable even in harsh weather conditions. They have held up exceptionally well.
Not my first purchase from ML Performance and it wont be the last either - they are really helpful and super quick in getting things sorted.
I have been looking for various parts for my car and it has been difficult to find the right place. ML performance has made it easier. Excellent service from start to finish. Ordered my item on the weekend and arrived on Tuesday. Had a personalised note with my item which adds an extra touch. Prices are reasonable aswell. Would definitely use ML performance again. Thanks to everyone at ML performance
mlp's car parts have improved the braking system of my vehicle, providing enhanced safety and control.
Hi ML Performance, thank you very much for your effort. Will be returning customer for sure!
Car parts market is very competitive, but the customer support is the thing that makes the guys from ML Performance to stand out.
Great exactly what I needed for my Corvette build they run cooler for boost
These are great spark plugs! They are exactly what I needed and I have no complaints whatsoever! I will definitely be purchasing NGK iridium spark plugs again and again!
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